Axcrypt!

GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications. A wealth of frontend applications and libraries are available. Version 2 of GnuPG also provides support for S/MIME.

AES Crypt is an advanced file encryption utility that integrates with the Windows shell or runs from the Linux command prompt to provide a simple, yet powerful, tool for encrypting files using the Advanced Encryption Standard (AES). A Java library is also available for developers using Java to read and write AES formatted files.

No encryption of dynamic disks, but command-line-encryption! Dynamic disks must be converted to basic disks with EasyUS Partition Master or Partition Guru before encrypting with Bitlocker. Windows BitLocker & "Bitlocker To Go" Drive Encryption is a data protection feature in Windows 10 Professional, Windows Vista Enterprise and Windows Vista Ultimate for client computers and in Windows Server 2008. BitLocker protects against data theft or exposure on computers that are lost or stolen, and offers more secure data deletion when computers are decommissioned. Bitlocker To Go (BTG) is essentially Bitlocker for external drives. It’s full volume encryption for all your USB drives: http://blogs.msdn.com/b/rockyh/archive/2009/03/01/bitlocker-to-go.aspx »

Easy File Locker is a pretty small file at 224KB and will do exactly what it says. It will let you protect a file or folder from being seen or accessed by anyone on your system. This is a light-weight program that does not slow down your system and even continues working if the machine is booted in safe mode. It does not require the application to be running for the security to work and it can be password-protected as well.

The Gnome Encfs Manager is an easy to use manager and mounter for encfs stashes. It allows you to create encrypted directories, any file that is placed in such a directory will be encrypted.

GPG for Mailis an open source plugin for Apple Mail. Encrypt, decrypt, sign and verify mails using OpenPGP with a few simple clicks.

Cryptkeeper is a Linux system tray applet that manages EncFS encrypted folders.

If your computer were ever to be stolen, are you certain that your personal information cannot be discovered? Jetico’s BestCrypt software automatically encrypts your files so that nobody can read the data unless they have the right password or keys.

CrococryptFile is a file encryption tool which creates encrypted archives of arbitrary files and folders.

SecurStick is a free portable application that lets you carry encrypted files on your USB drive. You can use the drive on any computer to access and modify those files WITHOUT needing any administrator privileges.

DCrypt is an encryption and decryption tool that combines in a smart way multiple algorithms. The combination of multiple strong algorithms makes it much more difficult for hackers to get the plain content of the encrypted file without the password.

Free Hide Folder is a free computer security software to hide your private folders. It is very useful to keep your personal data away from others. Others will not know where your personal files exist and they will not be able to accidentally view them. You can hide folders simply with a few mouse clicks. Free Hide Folder is protected by a password that you can change or remove at any time. Why do you need Free Hide Folder?

ProxyCrypt is a command line tool that creates encrypted volumes within a file or a hard drive.It works as a "proxy" for the ImDisk Virtual Disk Driver .